diff options
Diffstat (limited to 'drivers/crypto/rockchip/rk3288_crypto.c')
| -rw-r--r-- | drivers/crypto/rockchip/rk3288_crypto.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/crypto/rockchip/rk3288_crypto.c b/drivers/crypto/rockchip/rk3288_crypto.c index 8f9664acc78d..3e1b4f3b2422 100644 --- a/drivers/crypto/rockchip/rk3288_crypto.c +++ b/drivers/crypto/rockchip/rk3288_crypto.c @@ -95,6 +95,41 @@ static struct rk_crypto_tmp *rk_cipher_algs[] = { &rk_ahash_md5, }; +#ifdef CONFIG_CRYPTO_DEV_ROCKCHIP_DEBUG +static int rk_crypto_debugfs_show(struct seq_file *seq, void *v) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(rk_cipher_algs); i++) { + if (!rk_cipher_algs[i]->dev) + continue; + switch (rk_cipher_algs[i]->type) { + case CRYPTO_ALG_TYPE_SKCIPHER: + seq_printf(seq, "%s %s reqs=%lu fallback=%lu\n", + rk_cipher_algs[i]->alg.skcipher.base.cra_driver_name, + rk_cipher_algs[i]->alg.skcipher.base.cra_name, + rk_cipher_algs[i]->stat_req, rk_cipher_algs[i]->stat_fb); + seq_printf(seq, "\tfallback due to length: %lu\n", + rk_cipher_algs[i]->stat_fb_len); + seq_printf(seq, "\tfallback due to alignment: %lu\n", + rk_cipher_algs[i]->stat_fb_align); + seq_printf(seq, "\tfallback due to SGs: %lu\n", + rk_cipher_algs[i]->stat_fb_sgdiff); + break; + case CRYPTO_ALG_TYPE_AHASH: + seq_printf(seq, "%s %s reqs=%lu fallback=%lu\n", + rk_cipher_algs[i]->alg.hash.halg.base.cra_driver_name, + rk_cipher_algs[i]->alg.hash.halg.base.cra_name, + rk_cipher_algs[i]->stat_req, rk_cipher_algs[i]->stat_fb); + break; + } + } + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(rk_crypto_debugfs); +#endif + static int rk_crypto_register(struct rk_crypto_info *crypto_info) { unsigned int i, k; @@ -246,6 +281,15 @@ static int rk_crypto_probe(struct platform_device *pdev) goto err_register_alg; } +#ifdef CONFIG_CRYPTO_DEV_ROCKCHIP_DEBUG + /* Ignore error of debugfs */ + crypto_info->dbgfs_dir = debugfs_create_dir("rk3288_crypto", NULL); + crypto_info->dbgfs_stats = debugfs_create_file("stats", 0444, + crypto_info->dbgfs_dir, + crypto_info, + &rk_crypto_debugfs_fops); +#endif + dev_info(dev, "Crypto Accelerator successfully registered\n"); return 0; @@ -260,6 +304,9 @@ static int rk_crypto_remove(struct platform_device *pdev) { struct rk_crypto_info *crypto_tmp = platform_get_drvdata(pdev); +#ifdef CONFIG_CRYPTO_DEV_ROCKCHIP_DEBUG + debugfs_remove_recursive(crypto_tmp->dbgfs_dir); +#endif rk_crypto_unregister(); rk_crypto_disable_clk(crypto_tmp); crypto_engine_exit(crypto_tmp->engine); |